A shadowy “monster” caught on camera off Kent’s coast has reignited the fable of Crabzilla. Cheryl Manser captured the footage in Herne Bay, and likened the mass to the Loch Ness monster. Filmed yesterday afternoon, footage shows a solitary shadowy lump moving under the water. It changes shape before another object appears to emerge further along. Back in 2014, a picture shared on social media appearingto show a giant crab on the seabed in Whitstable caused a stir. The world-famous 50ft Crabzilla spotted lurking beneath the waters in Whitstable attraction worldwide media attention. Aerial imag…